785498880 has 72 divisors (see below), whose sum is σ = 2508699312. Its totient is φ = 209465344.

The previous prime is 785498851. The next prime is 785498887. The reversal of 785498880 is 88894587.

It is a self number, because there is not a number n which added to its sum of digits gives 785498880.

It is not an unprimeable number, because it can be changed into a prime (785498887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98439 + ... + 106118.

It is an arithmetic number, because the mean of its divisors is an integer number (34843046).

Almost surely, 2^785498880 is an apocalyptic number.

It is an amenable number.

785498880 is an abundant number, since it is smaller than the sum of its proper divisors (1723200432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

785498880 is a wasteful number, since it uses less digits than its factorization.

785498880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204581 (or 204567 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The square root of 785498880 is about 28026.7529335812. The cubic root of 785498880 is about 922.6745110912.

The spelling of 785498880 in words is "seven hundred eighty-five million, four hundred ninety-eight thousand, eight hundred eighty".